tachylyte

noun

tachy·​lyte

variants or less commonly tachylite

ˈtakə̇ˌlīt

plural -s

: basalt glass

Word History

Etymology

tachylyte from German tachylyt, from tachy- + Greek lytos soluble, from lyein to unbind, release, dissolve; tachylite alteration (influenced by -lite) of tachylyte

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